Tóm tắtBáo cáo này là một đề nghị đứng dưới bản sửa đổi liên tục cho đến khi thông báo thêm.It concerns the extraction of phenolic antioxidant compounds from peanut skins. Currently, many of these compounds are manufactured synthetically, while approximately 15,500 kilograms of peanut skins are discarded as waste per week from Virginia area processors alone. Peanut skins contain a number of antioxidants such as resveratrol, dihydroquercetin, catechins, and proanthocyanins. A detailed plan will be outlined in the following report to discuss how these natural antioxidants from peanut skins can be recovered so that they may be turned into a healthy beneficial source of antioxidants for human consumption. The end product from our extraction and purification procedure will be suitable for sale either to pharmaceutical or food processing companies. This report will outline the necessary steps of the industrial scale extraction designs as well as the final method that was determined to be the most viable. This includes the extraction method, as well as downstream and purification methods. The goal of this report is not to design a specific plant, but instead to develop a process that can be interpreted as necessary and customized to fit either into existing processing plants, or it can be added to a new plant. As such, some the process will be detailed, with different alternatives looked into, and finally, a list of unit operations and the corresponding block, process, and piping and instrumentation diagrams necessary to construct it. Some other basics such as the base area footprint will also be included, but this process is designed to meet the demand presented by Virginia peanut processors. Environmental issues and consumer and manufacturing safety, regulations and guidelines will be discussed as well. Two different designs are offered: one involving traditional solid-liquid extraction, and one with the experimental microwave extraction. The mass balance for the traditional extraction utilizes data found in literature, while the mass balance for the microwave extraction will use data returned from currently ongoing laboratory experiments being performed by Tameshia Ballard, a PhD candidate at Virginia Tech. Once both processes are done, an economic analysis will prove which design should be chosen.
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